Gaviscon Extra Strength Fruit Antacid 60 Tablets Day and night relief of heartburn and acid reflux Aluminum, Lactose and Gluten free Doctor recommended Directions Chew 2-4 tablets when symptoms occur, or take as directed by a doctor. Use daily up to a maximum 16 tablets/day Consult a doctor if symptoms persist beyond 2 weeks or recur. Except under your doctor's advice do not take if you suffer from kidney disease or within 2 hours of another medicine because effectiveness may be altered